Home / 34,695.45-52,011.28-12,503.40

Finding the Fourth Proportional to 34,695.45, 52,011.28 and 12,503.40

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Solution

The fourth proportional to 34,695.45, 52,011.28 and 12,503.40 is: 18,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.45 : 52,011.28 = 12,503.40 : x
  2. Step 2: Convert to fraction form
    34,695.45/52,011.28 = 12,503.40/x
  3. Step 3: Cross multiply
    34,695.45x = 52,011.28 × 12,503.40
  4. Step 4: Simplify right side
    34,695.45x = 650,317,658.94
  5. Step 5: Solve for x
    x = 650,317,658.94/34,695.45
  6. Step 6: Final answer
    x = 18,743.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.